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"bushman" wrote in
m: Thanks to everyone - Allen Change the impeller in the water pump first to make sure this isn't the problem. If that doesn't fix it, then.... Take the heat exchanger to a radiator shop and have it cleaned..... Replace the zincs when you put it back. Wishing it wasn't so isn't gonna fix it....sorry. Cleaning our 4-108's heat exchanger dropped the 200F at 2200 RPM down to just barely opening the NEW thermostat! It's like getting a new engine...(c; Don't forget to flush the closed loop coolant side like a car before you do the heat exchanger. Might as well clean the block out, too.... Gook came out of ours something awful.... -- Larry |
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